When Public Policy Polling last polled New Hampshire a little over a year ago, Christie led the GOP field at 24 percent.

Walker and many other big-name Republican presidential hopefuls are due in the Granite State this weekend for the First in the Nation Republican Leadership Summit in Nashua.

On the Democratic side, Hillary Clinton polled weaker than in the past, but continues to hold a commanding lead at 45 percent. She was followed by Elizabeth Warren at 23 percent, Bernie Sanders at 12 percent, Joe Biden at 7 percent, Martin O'Malley at 3 percent and Lincoln Chafee and Jim Webb at 1 percent.